dom 解析xml字符串

dom 解析xml字符串

 

import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.StringReader;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;

public class DomXml {
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		String strXml = "<sessions><session><id>2100</id><name>jeemy</name><phone>13482272632</phone></session><session><id>3300</id><name>wenzi</name><phone>138000000</phone></session></sessions>";
		parserXml(strXml);
	}
	
	public static void parserXml(String strXml) {
		try {
			DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
			DocumentBuilder db = dbf.newDocumentBuilder();
			Document document = db.parse(new InputSource(new StringReader(strXml)));
			NodeList sessions = document.getChildNodes();
			for (int i = 0; i < sessions.getLength(); i++) { 
				Node session = sessions.item(i);
				NodeList sessionInfo = session.getChildNodes();
				for (int j = 0; j < sessionInfo.getLength(); j++) {
					Node node = sessionInfo.item(j);
					NodeList sessionMeta = node.getChildNodes();
					for (int k = 0; k < sessionMeta.getLength(); k++) {
						System.out.println(sessionMeta.item(k).getNodeName() + ":" + sessionMeta.item(k).getTextContent());
					}
				}
			} 
			System.out.println("解析完毕");
			} catch (FileNotFoundException e) {
				System.out.println(e.getMessage());
			} catch (ParserConfigurationException e) {
				System.out.println(e.getMessage());
			} catch (SAXException e) {
				System.out.println(e.getMessage());
			} catch (IOException e) {
				System.out.println(e.getMessage());
			} 
	}
	}